JPS60194716A - 過電流保護継電器の振幅２乗値の判定方法 - Google Patents

過電流保護継電器の振幅２乗値の判定方法

Info

Publication number
JPS60194716A
JPS60194716A JP59045713A JP4571384A JPS60194716A JP S60194716 A JPS60194716 A JP S60194716A JP 59045713 A JP59045713 A JP 59045713A JP 4571384 A JP4571384 A JP 4571384A JP S60194716 A JPS60194716 A JP S60194716A
Authority
JP
Japan
Prior art keywords
cos
equation
frequency
value
current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP59045713A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0219691B2 (enExample
Inventor
藤井　重夫
畑田　稔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP59045713A priority Critical patent/JPS60194716A/ja
Publication of JPS60194716A publication Critical patent/JPS60194716A/ja
Publication of JPH0219691B2 publication Critical patent/JPH0219691B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP59045713A 1984-03-12 1984-03-12 過電流保護継電器の振幅２乗値の判定方法 Granted JPS60194716A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59045713A JPS60194716A (ja) 1984-03-12 1984-03-12 過電流保護継電器の振幅２乗値の判定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59045713A JPS60194716A (ja) 1984-03-12 1984-03-12 過電流保護継電器の振幅２乗値の判定方法

Publications (2)

Publication Number Publication Date
JPS60194716A true JPS60194716A (ja) 1985-10-03
JPH0219691B2 JPH0219691B2 (enExample) 1990-05-02

Family

ID=12726987

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59045713A Granted JPS60194716A (ja) 1984-03-12 1984-03-12 過電流保護継電器の振幅２乗値の判定方法

Country Status (1)

Country Link
JP (1) JPS60194716A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63242117A (ja) * 1987-03-28 1988-10-07 株式会社明電舎 デジタル型保護継電装置
JP2012093137A (ja) * 2010-10-25 2012-05-17 Mitsubishi Electric Corp 交流電気量測定装置および交流電気量測定方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63242117A (ja) * 1987-03-28 1988-10-07 株式会社明電舎 デジタル型保護継電装置
JP2012093137A (ja) * 2010-10-25 2012-05-17 Mitsubishi Electric Corp 交流電気量測定装置および交流電気量測定方法

Also Published As

Publication number Publication date
JPH0219691B2 (enExample) 1990-05-02

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